CN103494416A

CN103494416A - Heat-preservation lunch box

Info

Publication number: CN103494416A
Application number: CN201310461219.7A
Authority: CN
Inventors: 刘骏涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-09-29
Filing date: 2013-09-29
Publication date: 2014-01-08
Also published as: WO2015042999A1

Abstract

The invention discloses a heat-preservation lunch box which comprises a lunch box housing and a lunch box cover, wherein a groove around the edge of the lunch box cover is formed in the edge of the lunch box cover; a seal ring is arranged in the groove; a boss corresponding to the groove is arranged at the upper end of the lunch box housing. Therefore, when the lunch box cover is closed, the boss is inserted in the groove, a seal is formed in combination with the seal ring, heat in the lunch box is not quickly diffused, and thus a good heat-preservation effect is achieved.

Description

A kind of incubation canteen

Technical field

The present invention relates to the daily necessities field, in particular, relate to a kind of incubation canteen.

Background technology

Lunch box is important tableware commonly used in daily life, and it is for carrying prepared food, and within a certain period of time can be in job site or field prepared food is provided.

Usually, lunch box, after food container, because the long period does not eat, makes the interior fuel value of food of lunch box distribute by gap and the lunch box itself of lunch box, causes food temperature to reduce, and is not suitable for like this eating.

Summary of the invention

Technical problem to be solved by this invention is to provide a kind of heat insulation effect lunch box preferably.

The objective of the invention is to be achieved through the following technical solutions: a kind of incubation canteen, comprise lunch box housing and cover of the lunch box, described cover of the lunch box edge is provided with along this edge around the groove of arranging, be provided with sealing ring in described groove, described lunch box housing upper end is provided with the boss corresponding with described groove.

Preferably, described cover of the lunch box periphery is provided with at least one pair of and draws ear, the described edge's chain connection that draws ear and described cover of the lunch box, described drawing on ear is provided with Elastic buckle, the corresponding described position of ear Elastic buckle of drawing of described lunch box housing periphery is provided with bayonet socket, cover of the lunch box covers lower time, and described Elastic buckle is stuck on described bayonet socket the compression that realizes cover of the lunch box and lunch box housing and covers.The friction top of realizing like this incubation canteen is combined on the lunch box housing, makes groove and sealing ring closely cooperate, and guarantees the heat insulation effect of incubation canteen.

Preferably, described cover of the lunch box only arranges two pairs and draws ear, is separately positioned on cover of the lunch box side facing each other.Can keep so stressed even, guarantee the reliability that covers of cover of the lunch box.

Preferably, the described lower limb of ear that draws is provided with recess.Can break into two with one's hands easily and draw ear by recess, thereby make Elastic buckle deviate from.

Preferably, described lunch box housing comprises: inner bag and setting housing outside the tank are provided with clearance space between described inner bag bottom and described housing bottom.By clearance space, avoid inner bag to pass through housing and directly contact with ground or desktop, reduce the heat conduction, improve heat insulation effect.

Preferably, described housing bottom is provided with the bracketing post, and described inner bag bottom withstands on described bracketing post.Utilize the pillared holder inner bag of bracketing, avoid inner bag to sink.

Preferably, on described bracketing post, be provided with screw, the position of the corresponding institute in described inner bag bottom bracketing post also is provided with screw, and described inner bag and described housing are screwed.

Preferably, described incubation canteen also comprises a heater, and described heater comprises that one is attached to the heating plate of one deck for generating heat of the outer surface of described inner bag.

Preferably, described heating plate is arranged on the bottom surface of described inner bag, and its size, shape are corresponding with the bottom surface of described inner bag.

Preferably, on described heating plate, be provided with and lock hole, the outer surface of described inner bag is provided with and described screw hole column corresponding to hole that lock, described heating plate by screw locking to the outer surface of described inner bag.

The present invention is because the edge at cover of the lunch box arranges groove, and be provided with sealing ring in groove, and lunch box housing corresponding position is provided with boss, when cover of the lunch box lower time, boss inserts in groove, under the cooperation of sealing ring, has formed sealing, thereby guaranteed that the heat of incubation canteen inside, not by Quick diffusing, has played good insulation effect.

The accompanying drawing explanation

Fig. 1 is the incubation canteen overall structure figure of the embodiment of the present invention,

Fig. 2 is the structure chart of the cover of the lunch box medial surface of the embodiment of the present invention,

Fig. 3 is the incubation canteen STRUCTURE DECOMPOSITION schematic diagram of the embodiment of the present invention,

Fig. 4 is incubation canteen one lateral plan of the embodiment of the present invention,

Fig. 5 is the A-A cross section view of Fig. 4.

Wherein: 100, cover of the lunch box, 104, groove, 110, draw ear, 111, Elastic buckle, 112, recess, 200, inner bag, 201, fossaperturate, 202, screw hole column, 205, fixed mount, 211, flange, 217, boss, 300, heater, 301, heating plate, 302, lock hole, 304, screw, 400, lunch box housing, 402, lock hole, 405, indicator lamp, 410, bracketing post, 411, bayonet socket, 700, clearance space.

The specific embodiment

Below in conjunction with accompanying drawing and preferred embodiment, the invention will be further described.

As shown in Fig. 1 and Fig. 4, the present embodiment provides a kind of incubation canteen, comprise: lunch box housing 400 and cover of the lunch box 100, as shown in Fig. 2-Fig. 3, described cover of the lunch box frontside edge place is provided with along this edge around the groove 104 of arranging, be provided with sealing ring (being demonstration in figure) in described groove 104, described lunch box housing upper end is provided with the boss 217 corresponding with described groove 104, when cover of the lunch box 100 covers lower time, boss 217 inserts in groove 104, formed sealing, guaranteed that the incubation canteen internal heat, not by Quick diffusing, plays good insulation effect.

As shown in Figure 3, can be provided with at least one pair of in cover of the lunch box 100 peripheries and draw ear 110, the present embodiment preferably arranges two pairs and draws ear, is separately positioned on cover of the lunch box side facing each other, can keep so stressed even, guarantees the reliability that covers of cover of the lunch box.The described edge's chain connection that draws ear 110 and described cover of the lunch box 100, draw on ear 110 and be provided with Elastic buckle 111, the corresponding described position of ear Elastic buckle 111 of drawing of described lunch box housing 400 peripheries is provided with bayonet socket 411, cover of the lunch box 100 covers lower time, and described Elastic buckle 111 is stuck on described bayonet socket 411 realizes that cover of the lunch box 100 and the compression of lunch box housing 400 cover.The friction top that can realize like this lunch box is combined on the lunch box housing, makes groove and sealing ring closely cooperate, and guarantees the heat insulation effect of incubation canteen.Also be provided with recess 112 at the lower limb that draws ear 110, this recess 112, after drawing the ear engaging, forms an opening with the perisporium of lunch box housing 400, like this, when opening cover of the lunch box 100, breaks into two with one's hands easily and draws ear 110, thereby make Elastic buckle 111 deviate from.

As shown in Fig. 3 and Fig. 5, also be provided with inner bag 200 in lunch box housing 400, be provided with clearance space 700 between the bottom of described inner bag 200 bottoms and described lunch box housing 400.Described clearance space 700 has avoided inner bag 200 directly to contact with lunch box housing 400 bottoms, thereby forms a heat shield, makes the food be kept in inner bag 200 to be incubated for a long time.

Lunch box housing 400 bottoms are provided with bracketing post 410, and described inner bag 200 bottoms withstand on described bracketing post 410.In order at the interior bracketing inner bag 200 of described clearance space 170, avoid inner bag 200 to subside downwards.Simultaneously, as shown in Figure 4, the upper end-face edge of described inner bag 200 outer surfaces is provided with defining flange 211, and described defining flange 211 carries in the upper end of described housing 400 perisporiums, in order to the periphery of bracketing inner bag 200, preserves the existence of clearance space.

As shown in Figure 4, incubation canteen also is provided with heater simultaneously, and described heater 300 comprises that one is attached to the heating plate 301 of one deck for generating heat of the outer surface of described inner bag 200.

Heating plate 301 is arranged on the bottom surface of described inner bag 200, and its size, shape are corresponding with the bottom surface of described inner bag 200, from the bottom surface heating of inner bag 200, like this heating plate 301 arrange more conveniently, the while heating effect is also better.Certainly, also heating plate can be attached at whole outer surfaces of inner bag 200, still, be difficult for like this processing, and bottom arranges heating plate the demand of heating can be reached.

Be provided with on heating plate 301 and lock hole 302, the corresponding outer surface at described inner bag 200 is that bottom surface is provided with and described screw hole column corresponding to hole 302 202 that lock, described heating plate 301 by screw locking to the outer surface of described inner bag.Therefore because inner bag thickness is little, by screw hole column, screw 304 and lock hole 302 and lock heating plate 301 to inner bag 200 bottom surfaces, this kind of lock adhering arrangement is comparatively simple, does not also need to strengthen the thickness of inner bag.In addition, housing 400 bottoms of lunch box also are provided with corresponding with described screw hole column 202 hole or the screw 402 of locking, described screw 402 is set directly on described bracketing post 410, described inner bag 200, heating plate 301 and described lunch box housing 400 lock together by screw 304 simultaneously, a plurality of parts can be realized locking by one group of screw simultaneously like this, structure is relatively simple, and processing and assembling are more for convenience.

In the present embodiment, described heater 300 also comprises a control circuit (not shown) heated for controlling described heating plate 301, control circuit, for realizing the Based Intelligent Control heating, can guarantee heating problems and heat time heating time while making the heating food.Control circuit is arranged on a side bottom of described inner bag 200, and described inner bag 200 is provided with a fossaperturate 201 for dodging described control circuit, makes like this lunch box inner space enough, guarantees that the overall structure of lunch box can not increase.

Simultaneously, the incubation canteen in the present embodiment also is provided with for pointing out it to use the indicator lamp 405 of state.And described inner bag 200 bottom one sides are provided with a fixed mount 205 for fixing described indication 405 lamps and circuit board thereof corresponding to the position of described indicator lamp 405, described lunch box housing 400 is provided with for exposing the perforate of described indicator lamp 405 corresponding to the position of described fixed mount 205.

In the present embodiment, described heating plate 301 is the METAL HEATING PROCESS sheet that heat transfer efficiency is high, and this heating plate can adopt panel beating to realize.Described inner bag 200 can be plastic cement or stainless steel.

Above content is in conjunction with concrete preferred embodiment further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.

Claims

1. an incubation canteen, comprise lunch box housing and cover of the lunch box, it is characterized in that, described cover of the lunch box edge is provided with along this edge around the groove of arranging, in described groove, is provided with sealing ring, and described lunch box housing upper end is provided with the boss corresponding with described groove.

2. lunch box as claimed in claim 1, it is characterized in that, described cover of the lunch box periphery is provided with at least one pair of and draws ear, the described edge's chain connection that draws ear and described cover of the lunch box, described drawing on ear is provided with Elastic buckle, the corresponding described position of ear Elastic buckle of drawing of described lunch box housing periphery is provided with bayonet socket, and cover of the lunch box covers lower time, and described Elastic buckle is stuck on described bayonet socket the compression that realizes cover of the lunch box and lunch box housing and covers.

3. lunch box as claimed in claim 2, is characterized in that, described cover of the lunch box only arranges two pairs and draws ear, is separately positioned on cover of the lunch box side facing each other.

4. incubation canteen as claimed in claim 3, is characterized in that, the described lower limb of ear that draws is provided with recess.

5. incubation canteen as claimed in claim 1, is characterized in that, in described lunch box housing, inner bag is installed, and between described inner bag bottom and described lunch box housing bottom, is provided with clearance space.

6. incubation canteen as claimed in claim 5, is characterized in that, described lunch box housing bottom is provided with the bracketing post, and described inner bag bottom withstands on described bracketing post.

7. incubation canteen as claimed in claim 6, is characterized in that, on described bracketing post, is provided with screw, and the position of the corresponding institute in described inner bag bottom bracketing post also is provided with screw, and described inner bag and described lunch box housing are screwed.

8. incubation canteen as claimed in claim 5, is characterized in that, described incubation canteen also comprises a heater, and described heater comprises that one is attached to the heating plate of one deck for generating heat of the outer surface of described inner bag.

9. incubation canteen as claimed in claim 8, is characterized in that, described heating plate is arranged on the bottom surface of described inner bag, and its size, shape are corresponding with the bottom surface of described inner bag.

10. incubation canteen as claimed in claim 9, is characterized in that, on described heating plate, is provided with and locks hole, and the outer surface of described inner bag is provided with and described screw hole column corresponding to hole that lock, described heating plate by screw locking to the outer surface of described inner bag.